32 lines
		
	
	
		
			1.1 KiB
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			32 lines
		
	
	
		
			1.1 KiB
		
	
	
	
		
			C++
		
	
	
	
| //===- RSProfiling.h - Various profiling using random sampling ----------===//
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| //
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| //                      The LLVM Compiler Infrastructure
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| //
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| // This file is distributed under the University of Illinois Open Source
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| // License. See LICENSE.TXT for details.
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| //
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| //===----------------------------------------------------------------------===//
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| //
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| // See notes in RSProfiling.cpp
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| //
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| //===----------------------------------------------------------------------===//
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| #include "llvm/Transforms/RSProfiling.h"
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| #include <set>
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| 
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| namespace llvm {
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|   /// RSProfilers_std - a simple support class for profilers that handles most
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|   /// of the work of chaining and tracking inserted code.
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|   struct RSProfilers_std : public RSProfilers {
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|     static char ID;
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|     std::set<Value*> profcode;
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|     // Lookup up values in profcode
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|     virtual bool isProfiling(Value* v);
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|     // handles required chaining
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|     virtual void getAnalysisUsage(AnalysisUsage &AU) const;
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|     // places counter updates in basic blocks and recordes added instructions in
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|     // profcode
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|     void IncrementCounterInBlock(BasicBlock *BB, unsigned CounterNum,
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|                                  GlobalValue *CounterArray);
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|   };
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| }
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